Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    8.497397E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-18T22:29:58+0800
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    1 Object 1

    AOE ID 53391
    NORAD ID 53391
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 65192
    NORAD ID 65192
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4521 STARLINK-34955
    Time of Closest Approach 2026-10-18T19:39:27+0000
    Collision Probability (Pc) 8.497397E-7
    Conjunction Distance (km) 2.989 km
    Relative Speed (km/s) 6.529 km/s
    Conjunction Risk Parameters R (Radial): 2.961 | I (In-track): 0.37 | C (Cross-track): -0.169
    Collision Risk Index (CRI) 0.34
    X Position (km) -5853.981 -5851.248
    Position Y (km) 1655.715 1655.061
    Position Z (km) -3154.439 -3153.422
    Velocity X (km/s) -3.889 -3.043
    Velocity Y (km/s) -4.252 1.992
    Velocity Z (km/s) 4.995 6.703

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4521 STARLINK-34955
    Semimajor Axis (a) 6848.878 km 6843.634 km
    Eccentricity (e) 0.000166 0.000167
    Inclination (i) 53.1572° 97.2836°
    RAAN 190.3986° 159.5719°
    Perigee Argument 66.5045° 92.1629°
    Mean Anomaly (M) 293.6130° 267.9804°
    Apogee 471.878 km 466.638 km
    Perigee 469.604 km 464.356 km
    Orbit Epoch 2026-10-18T02:35:03+0000 2026-10-17T23:25:08+0000

    STARLINK-4521 & STARLINK-34955 Collision Probability (Pc) Trend

    STARLINK-4521 & STARLINK-34955 Collision Probability (Pc) TrendNot Available

    STARLINK-4521 & STARLINK-34955 Miss Distance (Miss Distance) Trend

    STARLINK-4521 & STARLINK-34955 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4521Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34955Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4521Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34955Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4521

    No nearby objects data